[英]How can I store an String Arraylist into Firebase?
I am new in Android, I have an ArrayList that hobbies of users.我是新来的Android,我有一个ArrayList那个爱好用户。 I want to store these values into my User class but I don't know how to store.
我想将这些值存储到我的用户 class 中,但我不知道如何存储。
My intent values:我的意图价值观:
comp_phoneNumber = getIntent().getStringExtra("userPhone");
user_FirstName = getIntent().getStringExtra("user_FirstName");
user_Gender = getIntent().getStringExtra("user_Gender");
user_Birthdate = getIntent().getStringExtra("user_Birthdate");
My Getter-Setter class:我的 Getter-Setter class:
public class UserHelperClass {
String comp_phoneNumber, user_FirstName, user_Gender, user_Birthdate;
UserHelperClass() {
}
public UserHelperClass(String comp_phoneNumber, String user_FirstName, String user_Gender, String user_Birthdate) {
this.comp_phoneNumber = comp_phoneNumber;
this.user_FirstName = user_FirstName;
this.user_Gender = user_Gender;
this.user_Birthdate = user_Birthdate;
}
public String getComp_phoneNumber() {
return comp_phoneNumber;
}
public void setComp_phoneNumber(String comp_phoneNumber) {
this.comp_phoneNumber = comp_phoneNumber;
}
public String getUser_FirstName() {
return user_FirstName;
}
public void setUser_FirstName(String user_FirstName) {
this.user_FirstName = user_FirstName;
}
public String getUser_Gender() {
return user_Gender;
}
public void setUser_Gender(String user_Gender) {
this.user_Gender = user_Gender;
}
public String getUser_Birthdate() {
return user_Birthdate;
}
public void setUser_Birthdate(String user_Birthdate) {
this.user_Birthdate = user_Birthdate;
}
}
In my Last_Activity, I store these intent values with this code.在我的 Last_Activity 中,我使用此代码存储这些意图值。
public void storeNewUserData() {
rootNode = FirebaseDatabase.getInstance();
reference = rootNode.getReference("Users");
UserHelperClass addNewUser = new UserHelperClass(comp_phoneNumber, user_FirstName, user_Gender, user_Birthdate);
reference.child(comp_phoneNumber).setValue(addNewUser);
}
I want to store my Hobby String Arraylist values with these values.我想用这些值存储我的爱好字符串 Arraylist 值。 How can I store?
我该如何储存?
You can simply use a HashMap to store the values as soon as you get them without needing to store them in a class first or going to another activity.您可以简单地使用 HashMap 来存储这些值,而无需先将它们存储在 class 中或转到另一个活动。 Unless that is necessary
除非有必要
DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("Users");
HashMap<String, Object> userMap = new HashMap<>();
userMap. put("comp_phoneNumber", addNewUser.getComp_phoneNumber());
userMap. put("2nd field", value);
userMap. put("3rd field", value);
userMap. put("4th field", value);
ref.child(comp_phoneNumber).updateChildren(userMap).addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if(task.isSuccessful()){
Toast.makeText(getActivity(), "User added successfully", Toast.LENGTH_SHORT).show();
}
else {
Toast.makeText(getContext(), "Network Error", Toast.LENGTH_SHORT).show();
}
}
});
Like this you should be able to add the details.像这样你应该能够添加细节。 Although I am confused as to what was that you wanted to say about Hobbies?
虽然我很困惑你想说的关于兴趣爱好的是什么?
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